TS87C51RD2 ATMEL Corporation, TS87C51RD2 Datasheet - Page 6

• Manufacturer Part Number: TS87C51RD2
• Description: (TS8xC51Rx2) High Performance 8-bit Microcontroller
• Manufacturer: ATMEL Corporation

5. Pin Configuration
6
AT/TS8xC51Rx2
P1.1 / T2EX
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P1.0 / T2
*NIC: No Internal Connection
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
P1.2
P1.5
P1.6
P1.7
RST
VSS
P1.4
P1.3
14
10
12
13
4
6
11
15
16
17
1
2
3
5
7
8
9
18
19
20
CDIL40
PDIL/
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
P1.5
P1.6
P1.7
RST
NIC*
25
24
40
39
36
34
33
30
29
26
23
22
21
38
37
35
32
31
28
27
10
4
6
11
1
2
3
5
7
8
9
P0.0 / A0
P0.1 / A1
P0.2 / A2
P0.4 / A4
P0.5 / A5
P0.6 / A6
P0.7 / A7
EA/VPP
ALE/PROG
PSEN
P2.7 / A15
P2.6 / A14
P2.5 / A13
P2.4 / A12
P2.3 / A11
P2.2 / A10
P2.1 / A9
P2.0 / A8
P0.3 / A3
VCC
12 13 14 15 16 17 18 19 20 21 22
44
43 42 41 40 39
VQFP44 1.4
38 37 36 35 34
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
NIC*
P1.5
P1.6
P1.7
RST
28
26
33
32
30
27
25
24
23
31
29
14
10
12
13
8
11
15
16
17
7
9
18 19 20 21 22 23 24 25 26 27 28
6
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA/VPP
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
5 4 3 2 1
PLCC/CQPJ 44
44 43 42 41 40
32
38
36
34
33
39
37
35
31
30
29
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA/VPP
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
4188E–8051–08/06